Would Anyone Like To Try And Sharpen A Knife Made From A File For Me?

You know, I have no idea, so i don't want to speculate until I get it in hand. A LOT of hands have been on this piece, so I want to look at it.

I have never made a knife that was not sharp, nor able to keep an edge. I am told this by those that have bought from me. Sharpening???? Convex can be tricky until the technique is learned. I wish I had seen it before anyone had worked on it. I really did not realize the extreme condition in Gene's first email. Strictly my fault on that. I get dozens of emails a week on "How do ya sharpen a convex grind"....so I sent out my "normal " response.

I answered Gene's email and left my address so he can ship it.
 
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dfarmerknives said:
You know, I have no idea, so i don't want to speculate until I get it in hand. A LOT of hands have been on this piece, so I want to look at it.

I have never made a knife that was not sharp, nor able to keep an edge. I am told this by those that have bought from me. Sharpening???? Convex can be tricky until the technique is learned. I wish I had seen it before anyone had worked on it. I really did not realize the extreme condition in Gene's first email. Strictly my fault on that. I get dozens of emails a week on "How do ya sharpen a convex grind"....so I sent out my "normal " response.

I answered Gene's email and left my address so he can ship it.
Click to expand...
Pics when it arrives? :)
 
Hello David,
I received your e-mail and thank you for your reply. I sent you a return e-mail with the info you wanted.

I will be sending it out to you tomorrow and hopefully you can solve the mystery of the "unsharpenable" knife!

Again, thank you very much!
 
Well, I received the knife back from maker David Farmer today and miracle of miracles, IT'S SHARP! :D

He did a great job on it and smoothed out the blade and removed all the scratches from the other folks that tried to sharpen it.

I'm very pleased and want to thank David for his time and effort. Finally, I have a SHARP file knife! :thumbup: Thanks again David!
 
Hi David, Did you just go back with a slack belt and strop to get that edge or did you retemper it?
 
I understand that the blade was severly abused prior to Gene's purchase and before others tried to sharpen it. it is always easier to keep a knife sharp than "make" one sharp.

what I did was inspect the edge and blade when I got it. It appeared to have the grind changed (more thinned out). This did not seem to hurt the blade. I did a file check and it still appeared to have the HT and temper. I did not note any "soft spots". I tried to shave my arm, and got intermittent spots that shaved and didn't. It had a servicable edge, and I would not have considered it "dull", but it was not my knife. It's owner wanted it sharper. I took it in my shop and cut a lot of stuff, string, rope, paper, and wood. I did this to try to confirm what the file told me. After this, I polished the edge and it was so close to shaving completely it wasn't funny. I used a 400 grit belt and went one swipe on both sides and then polished the edge again and it shaved. I did not do a major reprofile the sides, just a polish. With the prior abuse and as much work had been done, and with what was being asked of me, I felt it would do more damage than not.

Sharpening a convex grind and edge is a very different technique than flat or even scandi grinds. They can not be lumped into the same "sharpening technique". What works for one will not work for another. I only do convex grinding, so it is second nature for me. I tend to mess up scandi grinds....;)
 
Thanks David you satisfied my curiosity. I had wondered if the blade was too hard and was micro-chipping.
 
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